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Amperometric glucose biosensor based on ultrafine platinum nanoparticles
Cao, Zhaoxia; Zou, Yongjin; Xiang, Cuili; Sun, Li-Xian; Xu, Fen; Sun LX(孙立贤); Sun LX(孙立贤)
关键词Amperometric Enzyme Biosensor Platinum Nanoparticle Glucose Oxidase
刊名ANALYTICAL LETTERS
2007
ISSN0003-2719
DOI10.1080/00032710701566909
40期:11页:2116-2127
收录类别SCI
文章类型Article
部门归属15
项目归属1504
产权排名1;1
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Analytical
研究领域[WOS]Chemistry
关键词[WOS]CARBON NANOTUBES ; ELECTROCHEMICAL SENSORS ; IMMOBILIZATION MATRIX ; ELECTRODE ; OXIDASE ; ENZYME ; NANOCOMPOSITE ; FABRICATION ; CATALYST ; CODEPOSITION
英文摘要In the present paper the ultrafine and highly dispersed platinum nanoparticles ( average size 3 nm) were used for the construction of a glucose biosensor in a simple method. An excellent response to glucose has been obtained with a high sensitivity (137.7 mu A mM(-1) cm(-2)) and fast response time (5 s). The biosensor showed a detection limit of 5 mM (at the ratio of signal to noise, S/ N = 3) and a linear range form 0.2 to 3.2 mM with a correlation coefficient r = 0.999. The apparent Michaelis - Menten constant (k(m)) and the maximum current were estimated to be 9.36 and 1.507 mA mM(-1) cm(-2), respectively. In addition, effects of pH value, applied potential and the interferents on the amperometric response of the sensor were investigated and discussed.
语种英语
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WOS记录号WOS:000250834700004
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被引频次:28[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/99621
专题中国科学院大连化学物理研究所
通讯作者Sun LX(孙立贤); Sun LX(孙立贤)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Mat & Thermochem Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
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Cao, Zhaoxia,Zou, Yongjin,Xiang, Cuili,et al. Amperometric glucose biosensor based on ultrafine platinum nanoparticles[J]. ANALYTICAL LETTERS,2007,40(11):2116-2127.
APA Cao, Zhaoxia.,Zou, Yongjin.,Xiang, Cuili.,Sun, Li-Xian.,Xu, Fen.,...&孙立贤.(2007).Amperometric glucose biosensor based on ultrafine platinum nanoparticles.ANALYTICAL LETTERS,40(11),2116-2127.
MLA Cao, Zhaoxia,et al."Amperometric glucose biosensor based on ultrafine platinum nanoparticles".ANALYTICAL LETTERS 40.11(2007):2116-2127.
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